<template>
  <!-- 头部 -->
  <header class="header">
    <!-- 头部的第一行 -->
    <div class="top">
      <div class="container">
        <div class="loginList">
          <p>尚品汇欢迎您！<span>{{$store.state.user.userInfo.nickName}}</span></p>
          <p v-if="!$store.state.user.userInfo.token">
            <span>请</span>
            <router-link :to="{
              path: '/login',
              query: {
                redirect: $route.path && $route.name != 'login' && $route.name != 'register' || '/home'
              }
            }"> 登录 </router-link>
            <router-link to="/register"> 免费注册 </router-link>
          </p>
          <p v-else>
            <button @click="logout">退出登录</button>
          </p>
        </div>
        <div class="typeList">
          <router-link to="/">我的订单</router-link>
          <router-link to="/shopcart">我的购物车</router-link>
          <router-link to="/center">我的尚品汇</router-link>
          <router-link to="/">尚品汇会员</router-link>
          <router-link to="/">企业采购</router-link>
          <router-link to="/">关注尚品汇</router-link>
          <router-link to="/">合作招商</router-link>
          <router-link to="/">商家后台</router-link>
        </div>
      </div>
    </div>
    <!--头部第二行 搜索区域-->
    <div class="bottom">
      <h1 class="logoArea">
        <router-link to="/" class="logo" title="尚品汇"> 
          <img src="./images/logo.png" alt="">
        </router-link>
      </h1>
      <div class="searchArea">
        <div class="searchForm">
          <input @keyup.enter="search" v-model="keyword" type="text" id="autocomplete" class="input-error input-xxlarge" />
          <button @click="search" class="sui-btn btn-xlarge btn-danger" type="button">搜索</button>
        </div>
      </div>
    </div>
  </header>
</template>

<script>
import http from '@/utils/http';
import { mapActions } from 'vuex';

export default {
  name: 'Header',
  data() {
    return {
      keyword: '',
    }
  },
  methods: {
    ...mapActions('user', ['userLogout']),
    // 处理搜索事件
    search(){
      // 跳转到搜索页面时，在传递搜索参数(params)的同时也需要把之前路由的分类参数(query)带着
      this.$router.push({
        name: 'search',
        params: {
          keyword:this.keyword || undefined,
        },
        query: { // 带上当前路由的分类参数(query)
          ...this.$route.query,
        }
      })
    },
    // 处理退出登录事件
    async logout(){
      const res = await this.userLogout()
      this.$router.replace({
        name: 'login',
        query: {
          redirect: this.$route.path
        }
      })
    }
  },
  mounted(){
    // 清空关键词输入框的事件
    this.$bus.$on('remove-keyword', ()=> {
      this.keyword = ''
    })
  },
  beforeDestroy(){
    // 解除事件绑定
    this.$bus.$off('remove-keyword')
  }
}
</script>

<style lang="less" scoped>
.header {
  &>.top {
    background-color: #eaeaea;
    height: 30px;
    line-height: 30px;

    .container {
      width: 1200px;
      margin: 0 auto;
      overflow: hidden;

      .loginList {
        float: left;

        p {
          float: left;
          margin-right: 10px;

          .register {
            border-left: 1px solid #b3aeae;
            padding: 0 5px;
            margin-left: 5px;
          }
        }
      }

      .typeList {
        float: right;

        a {
          padding: 0 10px;

          &+a {
            border-left: 1px solid #b3aeae;
          }
        }

      }

    }
  }

  &>.bottom {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;

    .logoArea {
      float: left;

      .logo {
        img {
          width: 175px;
          margin: 25px 45px;
        }
      }
    }

    .searchArea {
      float: right;
      margin-top: 35px;

      .searchForm {
        overflow: hidden;

        input {
          box-sizing: border-box;
          width: 490px;
          height: 32px;
          padding: 0px 4px;
          border: 2px solid #ea4a36;
          float: left;

          &:focus {
            outline: none;
          }
        }

        button {
          height: 32px;
          width: 68px;
          background-color: #ea4a36;
          border: none;
          color: #fff;
          float: left;
          cursor: pointer;

          &:focus {
            outline: none;
          }
        }
      }
    }
  }
}
</style>